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5.
Reinstall the drain plug and tighten it securely.
6.
Refill with the recommended oil and check the oil level. See
Recommended Oil Usage chart. The engine's oil capacity is 20
ounces.
-40º
-20º
-30º -20º -10º 0º
CAUTION
DO NOT use nondetergent oil or 2-stroke engine oil. It could shorten
the engine's service life.
7.
Reinstall the oil filler cap/dipstick securely.
CAUTION
Thoroughly wash your hands with soap and water as soon as
possible after handling used oil.
Checking Spark Plug
WARNING
DO NOT check for spark with spark plug removed. DO NOT crank
engine with spark plug removed.
WARNING
If the engine has been running, the muffler will be very hot. Be careful
not to touch the muffler.
NOTE: Check the spark plug once a season or every 25 hours of
operation. Change the spark plug once a season or every 100 hours.
To ensure proper engine operation, the spark plug must be properly
gapped and free of deposits.
1.
Remove the spark plug boot and use a spark plug wrench to
remove the plug. See Figure 16.
2.
Visually inspect the spark plug. Discard the spark plug if there is
apparent wear, or if the insulator is cracked or chipped. Clean the
spark plug with a wire brush if it is to be reused.
3.
Measure the plug gap with a feeler gauge. Correct as necessary
by bending side electrode. See Figure 17. The gap should be set
to .02-.03 inches (0.60-0.80 mm).
4.
Check that the spark plug washer is in good condition and thread
the spark plug in by hand to prevent cross-threading.
5.
After the spark plug is seated, tighten with a spark plug wrench to
compress the washer.
NOTE: When installing a new spark plug, tighten 1⁄2-turn after the
spark plug seats to compress the washer. When reinstalling a used
spark plug, tighten 1⁄8- to 1⁄4-turn after the spark plug seats to
compress the washer.
SERVICE AND MAINTENANCE
Synthetic
0W-30
5W-30
0º 20º 40º
Oil Drain
Plug
Electrode
.02-.03 in.
(0.60-0.80 mm)
17
Figure 15
Spark Plug
Spark Plug Boot
Figure 16
Figure 17
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